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Electro-Pneumatic Positioner SRI986 20 SRI986 - More than 1 Mio. applications worldwide! l Analog valve control with fast control behavior l Input 4 to 20 mA / 0 to 20 mA or 0 to 10 V l Load only 200 Ohm - ideal for split range l Easy local mechanical configuration l Mechanical adaptations by setting-screws l Independent adjustment of zero and span l Gain and damping independently adjustable l Mounting to all linear and rotary actuators l Options: m Position Transmitter 4 to 20 mA m Limit switches (inductive or Micro switches) m Gauge Manifold m Volume boosters
The SRI986 Positioner is designed for operation of pneumatic valve actuators from control systems and electrical controllers with electric control signals. It is used to reduce the adverse effects of valve friction, for higher thrust and shorter positioning time. Example for mounting on linear valves. Technical Data Example for mounting on rotary valves. Analog Setpoint: 4 to 20 mA / 0 to 20 mA / 0 to 10 V Load 200 Ohm Characteristic of setpoint linear, equal-percentage or invers-equal-percentage (by cams) Split Range up to 3-fold Valve Action direct or reverse adjustable Zero and Span independently adjustable Gain and Damping independently adjustable Air Supply 1.4 to 6 bar (20 to 90 psig) Stroke Range 8 to 200 mm (0.3 to 8.0 in) Angle of Rotation 30 to 180 degree angle Protection Class IP54, optional IP 65 Electrical Classification ATEX “intrinsic safety” II 2 G EEx ia IIC T6 FM and CSA “Intrinsic safety” Class I, Div. 1, Groups A, B, C, D For use on ships or vessels Lloyd’s registered Electrical Connection M20 x 1.5 or 1/2-14 NPT (others with Adapter AD...) Pneumatical Connection G1/8 Ambient Temperature -40 to +80 °C (-40 to +176°F) Humidity up to 100 % Weight 1.5 kg / 3.3 lbs (double acting: 1.8 kg / 3.9 lbs) Options Inductive Limit Switches (2- or 3-wire) Micro switches Position Transmitter (4 to 20 mA) Manifold with staggered connection Manifold with gauges Volume boosters Attachment to linear actuators acc. to IEC 534 Part 6 (NAMUR) to rotary actuators acc. to VDI/VDE 3845 any other linear or rotary actuator by means of extensive attachment kit offering 21
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Page 3 and 4: Contents Page Universal Positioner
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Page 7 and 8: DTM VALcare The SRD991 offers the m
Page 9 and 10: # � � Special corrosion resista
Page 11 and 12: All-in-one glance Ease of use and e
Page 13 and 14: Unified self-surveillance (NE107) T
Page 15 and 16: Invensys Partial Stroke Testing Sol
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Page 19: Example for mounting on linear valv
Page 23 and 24: Example for mounting on linear valv
Page 25 and 26: Additional equipment I/P converter
Page 27 and 28: Special versions Top mounting The T

english - FOXBORO ECKARDT GmbH

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